Home / 8,803.48-12,136.23-6,281.28

Finding the Fourth Proportional to 8,803.48, 12,136.23 and 6,281.28

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Solution

The fourth proportional to 8,803.48, 12,136.23 and 6,281.28 is: 8,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.48 : 12,136.23 = 6,281.28 : x
  2. Step 2: Convert to fraction form
    8,803.48/12,136.23 = 6,281.28/x
  3. Step 3: Cross multiply
    8,803.48x = 12,136.23 × 6,281.28
  4. Step 4: Simplify right side
    8,803.48x = 76,231,058.77
  5. Step 5: Solve for x
    x = 76,231,058.77/8,803.48
  6. Step 6: Final answer
    x = 8,659.20

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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.