Home / 5,210.61-7,183.15-3,715.93

Finding the Fourth Proportional to 5,210.61, 7,183.15 and 3,715.93

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Solution

The fourth proportional to 5,210.61, 7,183.15 and 3,715.93 is: 5,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.61 : 7,183.15 = 3,715.93 : x
  2. Step 2: Convert to fraction form
    5,210.61/7,183.15 = 3,715.93/x
  3. Step 3: Cross multiply
    5,210.61x = 7,183.15 × 3,715.93
  4. Step 4: Simplify right side
    5,210.61x = 26,692,082.58
  5. Step 5: Solve for x
    x = 26,692,082.58/5,210.61
  6. Step 6: Final answer
    x = 5,122.64

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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.