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Finding the Fourth Proportional to 6,510.20, 9,765.29 and 4,323.20

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Solution

The fourth proportional to 6,510.20, 9,765.29 and 4,323.20 is: 6,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.20 : 9,765.29 = 4,323.20 : x
  2. Step 2: Convert to fraction form
    6,510.20/9,765.29 = 4,323.20/x
  3. Step 3: Cross multiply
    6,510.20x = 9,765.29 × 4,323.20
  4. Step 4: Simplify right side
    6,510.20x = 42,217,263.71
  5. Step 5: Solve for x
    x = 42,217,263.71/6,510.20
  6. Step 6: Final answer
    x = 6,484.79

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.