Home / 7,390.30-10,198.60-4,737.70

Finding the Fourth Proportional to 7,390.30, 10,198.60 and 4,737.70

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Solution

The fourth proportional to 7,390.30, 10,198.60 and 4,737.70 is: 6,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.30 : 10,198.60 = 4,737.70 : x
  2. Step 2: Convert to fraction form
    7,390.30/10,198.60 = 4,737.70/x
  3. Step 3: Cross multiply
    7,390.30x = 10,198.60 × 4,737.70
  4. Step 4: Simplify right side
    7,390.30x = 48,317,925.89
  5. Step 5: Solve for x
    x = 48,317,925.89/7,390.30
  6. Step 6: Final answer
    x = 6,538.02

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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.