Home / 5,225.95-7,831.59-2,887.05

Finding the Fourth Proportional to 5,225.95, 7,831.59 and 2,887.05

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Solution

The fourth proportional to 5,225.95, 7,831.59 and 2,887.05 is: 4,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.95 : 7,831.59 = 2,887.05 : x
  2. Step 2: Convert to fraction form
    5,225.95/7,831.59 = 2,887.05/x
  3. Step 3: Cross multiply
    5,225.95x = 7,831.59 × 2,887.05
  4. Step 4: Simplify right side
    5,225.95x = 22,610,191.91
  5. Step 5: Solve for x
    x = 22,610,191.91/5,225.95
  6. Step 6: Final answer
    x = 4,326.52

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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.