Home / 7,730.24-10,670.64-5,079.92

Finding the Fourth Proportional to 7,730.24, 10,670.64 and 5,079.92

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Solution

The fourth proportional to 7,730.24, 10,670.64 and 5,079.92 is: 7,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.24 : 10,670.64 = 5,079.92 : x
  2. Step 2: Convert to fraction form
    7,730.24/10,670.64 = 5,079.92/x
  3. Step 3: Cross multiply
    7,730.24x = 10,670.64 × 5,079.92
  4. Step 4: Simplify right side
    7,730.24x = 54,205,997.55
  5. Step 5: Solve for x
    x = 54,205,997.55/7,730.24
  6. Step 6: Final answer
    x = 7,012.20

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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.