Home / 4,281.52-6,415.90-3,113.76

Finding the Fourth Proportional to 4,281.52, 6,415.90 and 3,113.76

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Solution

The fourth proportional to 4,281.52, 6,415.90 and 3,113.76 is: 4,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.52 : 6,415.90 = 3,113.76 : x
  2. Step 2: Convert to fraction form
    4,281.52/6,415.90 = 3,113.76/x
  3. Step 3: Cross multiply
    4,281.52x = 6,415.90 × 3,113.76
  4. Step 4: Simplify right side
    4,281.52x = 19,977,572.78
  5. Step 5: Solve for x
    x = 19,977,572.78/4,281.52
  6. Step 6: Final answer
    x = 4,666.00

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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.