Home / 8,730.28-12,047.82-4,751.39

Finding the Fourth Proportional to 8,730.28, 12,047.82 and 4,751.39

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Solution

The fourth proportional to 8,730.28, 12,047.82 and 4,751.39 is: 6,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.28 : 12,047.82 = 4,751.39 : x
  2. Step 2: Convert to fraction form
    8,730.28/12,047.82 = 4,751.39/x
  3. Step 3: Cross multiply
    8,730.28x = 12,047.82 × 4,751.39
  4. Step 4: Simplify right side
    8,730.28x = 57,243,831.23
  5. Step 5: Solve for x
    x = 57,243,831.23/8,730.28
  6. Step 6: Final answer
    x = 6,556.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.