Home / 5,349.31-7,386.95-4,020.71

Finding the Fourth Proportional to 5,349.31, 7,386.95 and 4,020.71

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Solution

The fourth proportional to 5,349.31, 7,386.95 and 4,020.71 is: 5,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.31 : 7,386.95 = 4,020.71 : x
  2. Step 2: Convert to fraction form
    5,349.31/7,386.95 = 4,020.71/x
  3. Step 3: Cross multiply
    5,349.31x = 7,386.95 × 4,020.71
  4. Step 4: Simplify right side
    5,349.31x = 29,700,734.24
  5. Step 5: Solve for x
    x = 29,700,734.24/5,349.31
  6. Step 6: Final answer
    x = 5,552.26

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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.