Home / 7,051.17-10,575.90-1,857.45

Finding the Fourth Proportional to 7,051.17, 10,575.90 and 1,857.45

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Solution

The fourth proportional to 7,051.17, 10,575.90 and 1,857.45 is: 2,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.17 : 10,575.90 = 1,857.45 : x
  2. Step 2: Convert to fraction form
    7,051.17/10,575.90 = 1,857.45/x
  3. Step 3: Cross multiply
    7,051.17x = 10,575.90 × 1,857.45
  4. Step 4: Simplify right side
    7,051.17x = 19,644,205.46
  5. Step 5: Solve for x
    x = 19,644,205.46/7,051.17
  6. Step 6: Final answer
    x = 2,785.95

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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.