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Finding the Fourth Proportional to 9,041.14, 12,477 and 5,007.88

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Solution

The fourth proportional to 9,041.14, 12,477 and 5,007.88 is: 6,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.14 : 12,477 = 5,007.88 : x
  2. Step 2: Convert to fraction form
    9,041.14/12,477 = 5,007.88/x
  3. Step 3: Cross multiply
    9,041.14x = 12,477 × 5,007.88
  4. Step 4: Simplify right side
    9,041.14x = 62,483,318.76
  5. Step 5: Solve for x
    x = 62,483,318.76/9,041.14
  6. Step 6: Final answer
    x = 6,911.00

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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.