Home / 8,242.65-11,374.59-4,657.74

Finding the Fourth Proportional to 8,242.65, 11,374.59 and 4,657.74

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Solution

The fourth proportional to 8,242.65, 11,374.59 and 4,657.74 is: 6,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.65 : 11,374.59 = 4,657.74 : x
  2. Step 2: Convert to fraction form
    8,242.65/11,374.59 = 4,657.74/x
  3. Step 3: Cross multiply
    8,242.65x = 11,374.59 × 4,657.74
  4. Step 4: Simplify right side
    8,242.65x = 52,979,882.83
  5. Step 5: Solve for x
    x = 52,979,882.83/8,242.65
  6. Step 6: Final answer
    x = 6,427.53

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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.