Home / 8,927.31-12,319.50-4,948.39

Finding the Fourth Proportional to 8,927.31, 12,319.50 and 4,948.39

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Solution

The fourth proportional to 8,927.31, 12,319.50 and 4,948.39 is: 6,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.31 : 12,319.50 = 4,948.39 : x
  2. Step 2: Convert to fraction form
    8,927.31/12,319.50 = 4,948.39/x
  3. Step 3: Cross multiply
    8,927.31x = 12,319.50 × 4,948.39
  4. Step 4: Simplify right side
    8,927.31x = 60,961,724.56
  5. Step 5: Solve for x
    x = 60,961,724.56/8,927.31
  6. Step 6: Final answer
    x = 6,828.68

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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.