Home / 4,785.71-7,178.56-1,501.56

Finding the Fourth Proportional to 4,785.71, 7,178.56 and 1,501.56

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Solution

The fourth proportional to 4,785.71, 7,178.56 and 1,501.56 is: 2,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.71 : 7,178.56 = 1,501.56 : x
  2. Step 2: Convert to fraction form
    4,785.71/7,178.56 = 1,501.56/x
  3. Step 3: Cross multiply
    4,785.71x = 7,178.56 × 1,501.56
  4. Step 4: Simplify right side
    4,785.71x = 10,779,034.80
  5. Step 5: Solve for x
    x = 10,779,034.80/4,785.71
  6. Step 6: Final answer
    x = 2,252.34

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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.