Home / 6,421.59-8,858.61-5,002.74

Finding the Fourth Proportional to 6,421.59, 8,858.61 and 5,002.74

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Solution

The fourth proportional to 6,421.59, 8,858.61 and 5,002.74 is: 6,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.59 : 8,858.61 = 5,002.74 : x
  2. Step 2: Convert to fraction form
    6,421.59/8,858.61 = 5,002.74/x
  3. Step 3: Cross multiply
    6,421.59x = 8,858.61 × 5,002.74
  4. Step 4: Simplify right side
    6,421.59x = 44,317,322.59
  5. Step 5: Solve for x
    x = 44,317,322.59/6,421.59
  6. Step 6: Final answer
    x = 6,901.30

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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.