Home / 5,128.71-7,693.67-1,841.52

Finding the Fourth Proportional to 5,128.71, 7,693.67 and 1,841.52

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Solution

The fourth proportional to 5,128.71, 7,693.67 and 1,841.52 is: 2,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.71 : 7,693.67 = 1,841.52 : x
  2. Step 2: Convert to fraction form
    5,128.71/7,693.67 = 1,841.52/x
  3. Step 3: Cross multiply
    5,128.71x = 7,693.67 × 1,841.52
  4. Step 4: Simplify right side
    5,128.71x = 14,168,047.18
  5. Step 5: Solve for x
    x = 14,168,047.18/5,128.71
  6. Step 6: Final answer
    x = 2,762.50

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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.