Home / 8,317.90-12,470.61-5,030.32

Finding the Fourth Proportional to 8,317.90, 12,470.61 and 5,030.32

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Solution

The fourth proportional to 8,317.90, 12,470.61 and 5,030.32 is: 7,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.90 : 12,470.61 = 5,030.32 : x
  2. Step 2: Convert to fraction form
    8,317.90/12,470.61 = 5,030.32/x
  3. Step 3: Cross multiply
    8,317.90x = 12,470.61 × 5,030.32
  4. Step 4: Simplify right side
    8,317.90x = 62,731,158.90
  5. Step 5: Solve for x
    x = 62,731,158.90/8,317.90
  6. Step 6: Final answer
    x = 7,541.71

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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.