Home / 8,419.90-12,603.18-4,710.92

Finding the Fourth Proportional to 8,419.90, 12,603.18 and 4,710.92

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Solution

The fourth proportional to 8,419.90, 12,603.18 and 4,710.92 is: 7,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.90 : 12,603.18 = 4,710.92 : x
  2. Step 2: Convert to fraction form
    8,419.90/12,603.18 = 4,710.92/x
  3. Step 3: Cross multiply
    8,419.90x = 12,603.18 × 4,710.92
  4. Step 4: Simplify right side
    8,419.90x = 59,372,572.73
  5. Step 5: Solve for x
    x = 59,372,572.73/8,419.90
  6. Step 6: Final answer
    x = 7,051.46

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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.