Home / 5,554.70-8,332.28-1,857.05

Finding the Fourth Proportional to 5,554.70, 8,332.28 and 1,857.05

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Solution

The fourth proportional to 5,554.70, 8,332.28 and 1,857.05 is: 2,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.70 : 8,332.28 = 1,857.05 : x
  2. Step 2: Convert to fraction form
    5,554.70/8,332.28 = 1,857.05/x
  3. Step 3: Cross multiply
    5,554.70x = 8,332.28 × 1,857.05
  4. Step 4: Simplify right side
    5,554.70x = 15,473,460.57
  5. Step 5: Solve for x
    x = 15,473,460.57/5,554.70
  6. Step 6: Final answer
    x = 2,785.65

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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.