Home / 5,900.15-8,139.48-3,538.19

Finding the Fourth Proportional to 5,900.15, 8,139.48 and 3,538.19

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Solution

The fourth proportional to 5,900.15, 8,139.48 and 3,538.19 is: 4,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.15 : 8,139.48 = 3,538.19 : x
  2. Step 2: Convert to fraction form
    5,900.15/8,139.48 = 3,538.19/x
  3. Step 3: Cross multiply
    5,900.15x = 8,139.48 × 3,538.19
  4. Step 4: Simplify right side
    5,900.15x = 28,799,026.74
  5. Step 5: Solve for x
    x = 28,799,026.74/5,900.15
  6. Step 6: Final answer
    x = 4,881.07

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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.