Home / 9,040.15-12,470.40-6,355.48

Finding the Fourth Proportional to 9,040.15, 12,470.40 and 6,355.48

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Solution

The fourth proportional to 9,040.15, 12,470.40 and 6,355.48 is: 8,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.15 : 12,470.40 = 6,355.48 : x
  2. Step 2: Convert to fraction form
    9,040.15/12,470.40 = 6,355.48/x
  3. Step 3: Cross multiply
    9,040.15x = 12,470.40 × 6,355.48
  4. Step 4: Simplify right side
    9,040.15x = 79,255,377.79
  5. Step 5: Solve for x
    x = 79,255,377.79/9,040.15
  6. Step 6: Final answer
    x = 8,767.04

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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.