Home / 7,767.83-10,710.33-6,346.28

Finding the Fourth Proportional to 7,767.83, 10,710.33 and 6,346.28

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Solution

The fourth proportional to 7,767.83, 10,710.33 and 6,346.28 is: 8,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.83 : 10,710.33 = 6,346.28 : x
  2. Step 2: Convert to fraction form
    7,767.83/10,710.33 = 6,346.28/x
  3. Step 3: Cross multiply
    7,767.83x = 10,710.33 × 6,346.28
  4. Step 4: Simplify right side
    7,767.83x = 67,970,753.07
  5. Step 5: Solve for x
    x = 67,970,753.07/7,767.83
  6. Step 6: Final answer
    x = 8,750.29

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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.