Home / 7,480.54-10,323.08-4,123.36

Finding the Fourth Proportional to 7,480.54, 10,323.08 and 4,123.36

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Solution

The fourth proportional to 7,480.54, 10,323.08 and 4,123.36 is: 5,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.54 : 10,323.08 = 4,123.36 : x
  2. Step 2: Convert to fraction form
    7,480.54/10,323.08 = 4,123.36/x
  3. Step 3: Cross multiply
    7,480.54x = 10,323.08 × 4,123.36
  4. Step 4: Simplify right side
    7,480.54x = 42,565,723.53
  5. Step 5: Solve for x
    x = 42,565,723.53/7,480.54
  6. Step 6: Final answer
    x = 5,690.20

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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.