Home / 8,626.86-12,915.36-5,058.18

Finding the Fourth Proportional to 8,626.86, 12,915.36 and 5,058.18

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Solution

The fourth proportional to 8,626.86, 12,915.36 and 5,058.18 is: 7,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.86 : 12,915.36 = 5,058.18 : x
  2. Step 2: Convert to fraction form
    8,626.86/12,915.36 = 5,058.18/x
  3. Step 3: Cross multiply
    8,626.86x = 12,915.36 × 5,058.18
  4. Step 4: Simplify right side
    8,626.86x = 65,328,215.64
  5. Step 5: Solve for x
    x = 65,328,215.64/8,626.86
  6. Step 6: Final answer
    x = 7,572.65

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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.