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Finding the Fourth Proportional to 6,622.91, 9,925.12 and 4,977.53

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Solution

The fourth proportional to 6,622.91, 9,925.12 and 4,977.53 is: 7,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.91 : 9,925.12 = 4,977.53 : x
  2. Step 2: Convert to fraction form
    6,622.91/9,925.12 = 4,977.53/x
  3. Step 3: Cross multiply
    6,622.91x = 9,925.12 × 4,977.53
  4. Step 4: Simplify right side
    6,622.91x = 49,402,520.48
  5. Step 5: Solve for x
    x = 49,402,520.48/6,622.91
  6. Step 6: Final answer
    x = 7,459.34

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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.