Home / 8,730.52-12,048.51-5,145.63

Finding the Fourth Proportional to 8,730.52, 12,048.51 and 5,145.63

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Solution

The fourth proportional to 8,730.52, 12,048.51 and 5,145.63 is: 7,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.52 : 12,048.51 = 5,145.63 : x
  2. Step 2: Convert to fraction form
    8,730.52/12,048.51 = 5,145.63/x
  3. Step 3: Cross multiply
    8,730.52x = 12,048.51 × 5,145.63
  4. Step 4: Simplify right side
    8,730.52x = 61,997,119.68
  5. Step 5: Solve for x
    x = 61,997,119.68/8,730.52
  6. Step 6: Final answer
    x = 7,101.20

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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.