Home / 5,339.16-7,368.30-2,981.25

Finding the Fourth Proportional to 5,339.16, 7,368.30 and 2,981.25

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Solution

The fourth proportional to 5,339.16, 7,368.30 and 2,981.25 is: 4,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.16 : 7,368.30 = 2,981.25 : x
  2. Step 2: Convert to fraction form
    5,339.16/7,368.30 = 2,981.25/x
  3. Step 3: Cross multiply
    5,339.16x = 7,368.30 × 2,981.25
  4. Step 4: Simplify right side
    5,339.16x = 21,966,744.38
  5. Step 5: Solve for x
    x = 21,966,744.38/5,339.16
  6. Step 6: Final answer
    x = 4,114.27

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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.