Home / 7,391.36-10,200.32-4,407.68

Finding the Fourth Proportional to 7,391.36, 10,200.32 and 4,407.68

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Solution

The fourth proportional to 7,391.36, 10,200.32 and 4,407.68 is: 6,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.36 : 10,200.32 = 4,407.68 : x
  2. Step 2: Convert to fraction form
    7,391.36/10,200.32 = 4,407.68/x
  3. Step 3: Cross multiply
    7,391.36x = 10,200.32 × 4,407.68
  4. Step 4: Simplify right side
    7,391.36x = 44,959,746.46
  5. Step 5: Solve for x
    x = 44,959,746.46/7,391.36
  6. Step 6: Final answer
    x = 6,082.74

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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.