Home / 6,490.10-9,735.15-5,323.70

Finding the Fourth Proportional to 6,490.10, 9,735.15 and 5,323.70

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Solution

The fourth proportional to 6,490.10, 9,735.15 and 5,323.70 is: 7,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.10 : 9,735.15 = 5,323.70 : x
  2. Step 2: Convert to fraction form
    6,490.10/9,735.15 = 5,323.70/x
  3. Step 3: Cross multiply
    6,490.10x = 9,735.15 × 5,323.70
  4. Step 4: Simplify right side
    6,490.10x = 51,827,018.06
  5. Step 5: Solve for x
    x = 51,827,018.06/6,490.10
  6. Step 6: Final answer
    x = 7,985.55

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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.