Home / 8,376.96-11,562.30-4,842.40

Finding the Fourth Proportional to 8,376.96, 11,562.30 and 4,842.40

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Solution

The fourth proportional to 8,376.96, 11,562.30 and 4,842.40 is: 6,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.96 : 11,562.30 = 4,842.40 : x
  2. Step 2: Convert to fraction form
    8,376.96/11,562.30 = 4,842.40/x
  3. Step 3: Cross multiply
    8,376.96x = 11,562.30 × 4,842.40
  4. Step 4: Simplify right side
    8,376.96x = 55,989,281.52
  5. Step 5: Solve for x
    x = 55,989,281.52/8,376.96
  6. Step 6: Final answer
    x = 6,683.72

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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.