Home / 6,486.35-8,948.51-4,788.92

Finding the Fourth Proportional to 6,486.35, 8,948.51 and 4,788.92

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Solution

The fourth proportional to 6,486.35, 8,948.51 and 4,788.92 is: 6,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.35 : 8,948.51 = 4,788.92 : x
  2. Step 2: Convert to fraction form
    6,486.35/8,948.51 = 4,788.92/x
  3. Step 3: Cross multiply
    6,486.35x = 8,948.51 × 4,788.92
  4. Step 4: Simplify right side
    6,486.35x = 42,853,629.82
  5. Step 5: Solve for x
    x = 42,853,629.82/6,486.35
  6. Step 6: Final answer
    x = 6,606.75

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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.