Home / 7,664.40-10,587.02-5,685.17

Finding the Fourth Proportional to 7,664.40, 10,587.02 and 5,685.17

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Solution

The fourth proportional to 7,664.40, 10,587.02 and 5,685.17 is: 7,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.40 : 10,587.02 = 5,685.17 : x
  2. Step 2: Convert to fraction form
    7,664.40/10,587.02 = 5,685.17/x
  3. Step 3: Cross multiply
    7,664.40x = 10,587.02 × 5,685.17
  4. Step 4: Simplify right side
    7,664.40x = 60,188,927.13
  5. Step 5: Solve for x
    x = 60,188,927.13/7,664.40
  6. Step 6: Final answer
    x = 7,853.05

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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.