Home / 4,819.47-6,648.29-2,931.63

Finding the Fourth Proportional to 4,819.47, 6,648.29 and 2,931.63

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Solution

The fourth proportional to 4,819.47, 6,648.29 and 2,931.63 is: 4,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.47 : 6,648.29 = 2,931.63 : x
  2. Step 2: Convert to fraction form
    4,819.47/6,648.29 = 2,931.63/x
  3. Step 3: Cross multiply
    4,819.47x = 6,648.29 × 2,931.63
  4. Step 4: Simplify right side
    4,819.47x = 19,490,314.31
  5. Step 5: Solve for x
    x = 19,490,314.31/4,819.47
  6. Step 6: Final answer
    x = 4,044.08

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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.