Home / 5,521.64-8,281.53-1,572.62

Finding the Fourth Proportional to 5,521.64, 8,281.53 and 1,572.62

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Solution

The fourth proportional to 5,521.64, 8,281.53 and 1,572.62 is: 2,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.64 : 8,281.53 = 1,572.62 : x
  2. Step 2: Convert to fraction form
    5,521.64/8,281.53 = 1,572.62/x
  3. Step 3: Cross multiply
    5,521.64x = 8,281.53 × 1,572.62
  4. Step 4: Simplify right side
    5,521.64x = 13,023,699.71
  5. Step 5: Solve for x
    x = 13,023,699.71/5,521.64
  6. Step 6: Final answer
    x = 2,358.67

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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.