Home / 8,688.64-13,031.36-2,844.48

Finding the Fourth Proportional to 8,688.64, 13,031.36 and 2,844.48

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Solution

The fourth proportional to 8,688.64, 13,031.36 and 2,844.48 is: 4,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.64 : 13,031.36 = 2,844.48 : x
  2. Step 2: Convert to fraction form
    8,688.64/13,031.36 = 2,844.48/x
  3. Step 3: Cross multiply
    8,688.64x = 13,031.36 × 2,844.48
  4. Step 4: Simplify right side
    8,688.64x = 37,067,442.89
  5. Step 5: Solve for x
    x = 37,067,442.89/8,688.64
  6. Step 6: Final answer
    x = 4,266.20

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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.