Home / 8,958.40-13,417.10-4,281.69

Finding the Fourth Proportional to 8,958.40, 13,417.10 and 4,281.69

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Solution

The fourth proportional to 8,958.40, 13,417.10 and 4,281.69 is: 6,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.40 : 13,417.10 = 4,281.69 : x
  2. Step 2: Convert to fraction form
    8,958.40/13,417.10 = 4,281.69/x
  3. Step 3: Cross multiply
    8,958.40x = 13,417.10 × 4,281.69
  4. Step 4: Simplify right side
    8,958.40x = 57,447,907.86
  5. Step 5: Solve for x
    x = 57,447,907.86/8,958.40
  6. Step 6: Final answer
    x = 6,412.74

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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.