Home / 8,784.18-13,157.10-4,393.98

Finding the Fourth Proportional to 8,784.18, 13,157.10 and 4,393.98

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Solution

The fourth proportional to 8,784.18, 13,157.10 and 4,393.98 is: 6,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.18 : 13,157.10 = 4,393.98 : x
  2. Step 2: Convert to fraction form
    8,784.18/13,157.10 = 4,393.98/x
  3. Step 3: Cross multiply
    8,784.18x = 13,157.10 × 4,393.98
  4. Step 4: Simplify right side
    8,784.18x = 57,812,034.26
  5. Step 5: Solve for x
    x = 57,812,034.26/8,784.18
  6. Step 6: Final answer
    x = 6,581.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.