Home / 5,389.47-7,437.42-3,031.63

Finding the Fourth Proportional to 5,389.47, 7,437.42 and 3,031.63

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Solution

The fourth proportional to 5,389.47, 7,437.42 and 3,031.63 is: 4,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.47 : 7,437.42 = 3,031.63 : x
  2. Step 2: Convert to fraction form
    5,389.47/7,437.42 = 3,031.63/x
  3. Step 3: Cross multiply
    5,389.47x = 7,437.42 × 3,031.63
  4. Step 4: Simplify right side
    5,389.47x = 22,547,487.00
  5. Step 5: Solve for x
    x = 22,547,487.00/5,389.47
  6. Step 6: Final answer
    x = 4,183.62

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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.