Home / 9,036.78-13,557.23-4,876.71

Finding the Fourth Proportional to 9,036.78, 13,557.23 and 4,876.71

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Solution

The fourth proportional to 9,036.78, 13,557.23 and 4,876.71 is: 7,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.78 : 13,557.23 = 4,876.71 : x
  2. Step 2: Convert to fraction form
    9,036.78/13,557.23 = 4,876.71/x
  3. Step 3: Cross multiply
    9,036.78x = 13,557.23 × 4,876.71
  4. Step 4: Simplify right side
    9,036.78x = 66,114,654.73
  5. Step 5: Solve for x
    x = 66,114,654.73/9,036.78
  6. Step 6: Final answer
    x = 7,316.17

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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.