Home / 5,285.76-7,929.86-1,588.07

Finding the Fourth Proportional to 5,285.76, 7,929.86 and 1,588.07

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Solution

The fourth proportional to 5,285.76, 7,929.86 and 1,588.07 is: 2,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.76 : 7,929.86 = 1,588.07 : x
  2. Step 2: Convert to fraction form
    5,285.76/7,929.86 = 1,588.07/x
  3. Step 3: Cross multiply
    5,285.76x = 7,929.86 × 1,588.07
  4. Step 4: Simplify right side
    5,285.76x = 12,593,133.12
  5. Step 5: Solve for x
    x = 12,593,133.12/5,285.76
  6. Step 6: Final answer
    x = 2,382.46

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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.