Home / 7,711.90-10,642.62-4,566.28

Finding the Fourth Proportional to 7,711.90, 10,642.62 and 4,566.28

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Solution

The fourth proportional to 7,711.90, 10,642.62 and 4,566.28 is: 6,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.90 : 10,642.62 = 4,566.28 : x
  2. Step 2: Convert to fraction form
    7,711.90/10,642.62 = 4,566.28/x
  3. Step 3: Cross multiply
    7,711.90x = 10,642.62 × 4,566.28
  4. Step 4: Simplify right side
    7,711.90x = 48,597,182.85
  5. Step 5: Solve for x
    x = 48,597,182.85/7,711.90
  6. Step 6: Final answer
    x = 6,301.58

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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.