Home / 5,442.31-7,510.47-3,084.40

Finding the Fourth Proportional to 5,442.31, 7,510.47 and 3,084.40

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Solution

The fourth proportional to 5,442.31, 7,510.47 and 3,084.40 is: 4,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.31 : 7,510.47 = 3,084.40 : x
  2. Step 2: Convert to fraction form
    5,442.31/7,510.47 = 3,084.40/x
  3. Step 3: Cross multiply
    5,442.31x = 7,510.47 × 3,084.40
  4. Step 4: Simplify right side
    5,442.31x = 23,165,256.12
  5. Step 5: Solve for x
    x = 23,165,256.12/5,442.31
  6. Step 6: Final answer
    x = 4,256.52

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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.