Home / 7,480.19-10,322.48-4,122.93

Finding the Fourth Proportional to 7,480.19, 10,322.48 and 4,122.93

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Solution

The fourth proportional to 7,480.19, 10,322.48 and 4,122.93 is: 5,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.19 : 10,322.48 = 4,122.93 : x
  2. Step 2: Convert to fraction form
    7,480.19/10,322.48 = 4,122.93/x
  3. Step 3: Cross multiply
    7,480.19x = 10,322.48 × 4,122.93
  4. Step 4: Simplify right side
    7,480.19x = 42,558,856.34
  5. Step 5: Solve for x
    x = 42,558,856.34/7,480.19
  6. Step 6: Final answer
    x = 5,689.54

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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.