Home / 4,752.72-6,556.28-3,180.51

Finding the Fourth Proportional to 4,752.72, 6,556.28 and 3,180.51

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Solution

The fourth proportional to 4,752.72, 6,556.28 and 3,180.51 is: 4,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.72 : 6,556.28 = 3,180.51 : x
  2. Step 2: Convert to fraction form
    4,752.72/6,556.28 = 3,180.51/x
  3. Step 3: Cross multiply
    4,752.72x = 6,556.28 × 3,180.51
  4. Step 4: Simplify right side
    4,752.72x = 20,852,298.20
  5. Step 5: Solve for x
    x = 20,852,298.20/4,752.72
  6. Step 6: Final answer
    x = 4,387.45

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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.