Home / 5,915.04-8,162.80-3,262.40

Finding the Fourth Proportional to 5,915.04, 8,162.80 and 3,262.40

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Solution

The fourth proportional to 5,915.04, 8,162.80 and 3,262.40 is: 4,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.04 : 8,162.80 = 3,262.40 : x
  2. Step 2: Convert to fraction form
    5,915.04/8,162.80 = 3,262.40/x
  3. Step 3: Cross multiply
    5,915.04x = 8,162.80 × 3,262.40
  4. Step 4: Simplify right side
    5,915.04x = 26,630,318.72
  5. Step 5: Solve for x
    x = 26,630,318.72/5,915.04
  6. Step 6: Final answer
    x = 4,502.14

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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.