Home / 7,146.80-10,694.28-6,038.72

Finding the Fourth Proportional to 7,146.80, 10,694.28 and 6,038.72

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Solution

The fourth proportional to 7,146.80, 10,694.28 and 6,038.72 is: 9,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.80 : 10,694.28 = 6,038.72 : x
  2. Step 2: Convert to fraction form
    7,146.80/10,694.28 = 6,038.72/x
  3. Step 3: Cross multiply
    7,146.80x = 10,694.28 × 6,038.72
  4. Step 4: Simplify right side
    7,146.80x = 64,579,762.52
  5. Step 5: Solve for x
    x = 64,579,762.52/7,146.80
  6. Step 6: Final answer
    x = 9,036.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.