Home / 6,437.07-9,646.29-3,146.45

Finding the Fourth Proportional to 6,437.07, 9,646.29 and 3,146.45

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Solution

The fourth proportional to 6,437.07, 9,646.29 and 3,146.45 is: 4,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.07 : 9,646.29 = 3,146.45 : x
  2. Step 2: Convert to fraction form
    6,437.07/9,646.29 = 3,146.45/x
  3. Step 3: Cross multiply
    6,437.07x = 9,646.29 × 3,146.45
  4. Step 4: Simplify right side
    6,437.07x = 30,351,520.94
  5. Step 5: Solve for x
    x = 30,351,520.94/6,437.07
  6. Step 6: Final answer
    x = 4,715.11

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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.