Home / 9,050.60-12,490-5,071.70

Finding the Fourth Proportional to 9,050.60, 12,490 and 5,071.70

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Solution

The fourth proportional to 9,050.60, 12,490 and 5,071.70 is: 6,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.60 : 12,490 = 5,071.70 : x
  2. Step 2: Convert to fraction form
    9,050.60/12,490 = 5,071.70/x
  3. Step 3: Cross multiply
    9,050.60x = 12,490 × 5,071.70
  4. Step 4: Simplify right side
    9,050.60x = 63,345,533
  5. Step 5: Solve for x
    x = 63,345,533/9,050.60
  6. Step 6: Final answer
    x = 6,999.04

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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.