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Finding the Fourth Proportional to 6,510.60, 8,984.58 and 3,859.32

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Solution

The fourth proportional to 6,510.60, 8,984.58 and 3,859.32 is: 5,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.60 : 8,984.58 = 3,859.32 : x
  2. Step 2: Convert to fraction form
    6,510.60/8,984.58 = 3,859.32/x
  3. Step 3: Cross multiply
    6,510.60x = 8,984.58 × 3,859.32
  4. Step 4: Simplify right side
    6,510.60x = 34,674,369.29
  5. Step 5: Solve for x
    x = 34,674,369.29/6,510.60
  6. Step 6: Final answer
    x = 5,325.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.