Home / 7,389.90-10,198.35-4,032.90

Finding the Fourth Proportional to 7,389.90, 10,198.35 and 4,032.90

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Solution

The fourth proportional to 7,389.90, 10,198.35 and 4,032.90 is: 5,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.90 : 10,198.35 = 4,032.90 : x
  2. Step 2: Convert to fraction form
    7,389.90/10,198.35 = 4,032.90/x
  3. Step 3: Cross multiply
    7,389.90x = 10,198.35 × 4,032.90
  4. Step 4: Simplify right side
    7,389.90x = 41,128,925.72
  5. Step 5: Solve for x
    x = 41,128,925.72/7,389.90
  6. Step 6: Final answer
    x = 5,565.56

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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.