Home / 4,788.08-6,607.56-2,798.76

Finding the Fourth Proportional to 4,788.08, 6,607.56 and 2,798.76

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Solution

The fourth proportional to 4,788.08, 6,607.56 and 2,798.76 is: 3,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.08 : 6,607.56 = 2,798.76 : x
  2. Step 2: Convert to fraction form
    4,788.08/6,607.56 = 2,798.76/x
  3. Step 3: Cross multiply
    4,788.08x = 6,607.56 × 2,798.76
  4. Step 4: Simplify right side
    4,788.08x = 18,492,974.63
  5. Step 5: Solve for x
    x = 18,492,974.63/4,788.08
  6. Step 6: Final answer
    x = 3,862.30

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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.