Home / 5,030.40-6,941.13-3,141.69

Finding the Fourth Proportional to 5,030.40, 6,941.13 and 3,141.69

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Solution

The fourth proportional to 5,030.40, 6,941.13 and 3,141.69 is: 4,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.40 : 6,941.13 = 3,141.69 : x
  2. Step 2: Convert to fraction form
    5,030.40/6,941.13 = 3,141.69/x
  3. Step 3: Cross multiply
    5,030.40x = 6,941.13 × 3,141.69
  4. Step 4: Simplify right side
    5,030.40x = 21,806,840.90
  5. Step 5: Solve for x
    x = 21,806,840.90/5,030.40
  6. Step 6: Final answer
    x = 4,335.01

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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.