Home / 7,352.28-10,146.60-4,208.40

Finding the Fourth Proportional to 7,352.28, 10,146.60 and 4,208.40

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Solution

The fourth proportional to 7,352.28, 10,146.60 and 4,208.40 is: 5,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.28 : 10,146.60 = 4,208.40 : x
  2. Step 2: Convert to fraction form
    7,352.28/10,146.60 = 4,208.40/x
  3. Step 3: Cross multiply
    7,352.28x = 10,146.60 × 4,208.40
  4. Step 4: Simplify right side
    7,352.28x = 42,700,951.44
  5. Step 5: Solve for x
    x = 42,700,951.44/7,352.28
  6. Step 6: Final answer
    x = 5,807.85

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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.