Home / 8,927.13-12,319.25-4,948.20

Finding the Fourth Proportional to 8,927.13, 12,319.25 and 4,948.20

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Solution

The fourth proportional to 8,927.13, 12,319.25 and 4,948.20 is: 6,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.13 : 12,319.25 = 4,948.20 : x
  2. Step 2: Convert to fraction form
    8,927.13/12,319.25 = 4,948.20/x
  3. Step 3: Cross multiply
    8,927.13x = 12,319.25 × 4,948.20
  4. Step 4: Simplify right side
    8,927.13x = 60,958,088.11
  5. Step 5: Solve for x
    x = 60,958,088.11/8,927.13
  6. Step 6: Final answer
    x = 6,828.41

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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.