Home / 5,113.24-7,056.11-2,875.21

Finding the Fourth Proportional to 5,113.24, 7,056.11 and 2,875.21

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Solution

The fourth proportional to 5,113.24, 7,056.11 and 2,875.21 is: 3,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.24 : 7,056.11 = 2,875.21 : x
  2. Step 2: Convert to fraction form
    5,113.24/7,056.11 = 2,875.21/x
  3. Step 3: Cross multiply
    5,113.24x = 7,056.11 × 2,875.21
  4. Step 4: Simplify right side
    5,113.24x = 20,287,748.38
  5. Step 5: Solve for x
    x = 20,287,748.38/5,113.24
  6. Step 6: Final answer
    x = 3,967.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.