Home / 7,390.32-10,203.44-5,708.80

Finding the Fourth Proportional to 7,390.32, 10,203.44 and 5,708.80

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Solution

The fourth proportional to 7,390.32, 10,203.44 and 5,708.80 is: 7,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.32 : 10,203.44 = 5,708.80 : x
  2. Step 2: Convert to fraction form
    7,390.32/10,203.44 = 5,708.80/x
  3. Step 3: Cross multiply
    7,390.32x = 10,203.44 × 5,708.80
  4. Step 4: Simplify right side
    7,390.32x = 58,249,398.27
  5. Step 5: Solve for x
    x = 58,249,398.27/7,390.32
  6. Step 6: Final answer
    x = 7,881.85

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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.