Home / 4,316.78-6,474.47-1,542.98

Finding the Fourth Proportional to 4,316.78, 6,474.47 and 1,542.98

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Solution

The fourth proportional to 4,316.78, 6,474.47 and 1,542.98 is: 2,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.78 : 6,474.47 = 1,542.98 : x
  2. Step 2: Convert to fraction form
    4,316.78/6,474.47 = 1,542.98/x
  3. Step 3: Cross multiply
    4,316.78x = 6,474.47 × 1,542.98
  4. Step 4: Simplify right side
    4,316.78x = 9,989,937.63
  5. Step 5: Solve for x
    x = 9,989,937.63/4,316.78
  6. Step 6: Final answer
    x = 2,314.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.