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Finding the Fourth Proportional to 6,510.98, 8,985.11 and 3,526.75

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Solution

The fourth proportional to 6,510.98, 8,985.11 and 3,526.75 is: 4,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.98 : 8,985.11 = 3,526.75 : x
  2. Step 2: Convert to fraction form
    6,510.98/8,985.11 = 3,526.75/x
  3. Step 3: Cross multiply
    6,510.98x = 8,985.11 × 3,526.75
  4. Step 4: Simplify right side
    6,510.98x = 31,688,236.69
  5. Step 5: Solve for x
    x = 31,688,236.69/6,510.98
  6. Step 6: Final answer
    x = 4,866.89

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Half scale
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Double scale
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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.