Home / 5,258.08-7,256.66-3,929.48

Finding the Fourth Proportional to 5,258.08, 7,256.66 and 3,929.48

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Solution

The fourth proportional to 5,258.08, 7,256.66 and 3,929.48 is: 5,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.08 : 7,256.66 = 3,929.48 : x
  2. Step 2: Convert to fraction form
    5,258.08/7,256.66 = 3,929.48/x
  3. Step 3: Cross multiply
    5,258.08x = 7,256.66 × 3,929.48
  4. Step 4: Simplify right side
    5,258.08x = 28,514,844.41
  5. Step 5: Solve for x
    x = 28,514,844.41/5,258.08
  6. Step 6: Final answer
    x = 5,423.06

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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.