Home / 4,442.31-6,663.65-1,520.91

Finding the Fourth Proportional to 4,442.31, 6,663.65 and 1,520.91

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Solution

The fourth proportional to 4,442.31, 6,663.65 and 1,520.91 is: 2,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.31 : 6,663.65 = 1,520.91 : x
  2. Step 2: Convert to fraction form
    4,442.31/6,663.65 = 1,520.91/x
  3. Step 3: Cross multiply
    4,442.31x = 6,663.65 × 1,520.91
  4. Step 4: Simplify right side
    4,442.31x = 10,134,804.32
  5. Step 5: Solve for x
    x = 10,134,804.32/4,442.31
  6. Step 6: Final answer
    x = 2,281.43

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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.