Home / 4,788.64-6,607.56-2,899.90

Finding the Fourth Proportional to 4,788.64, 6,607.56 and 2,899.90

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Solution

The fourth proportional to 4,788.64, 6,607.56 and 2,899.90 is: 4,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.64 : 6,607.56 = 2,899.90 : x
  2. Step 2: Convert to fraction form
    4,788.64/6,607.56 = 2,899.90/x
  3. Step 3: Cross multiply
    4,788.64x = 6,607.56 × 2,899.90
  4. Step 4: Simplify right side
    4,788.64x = 19,161,263.24
  5. Step 5: Solve for x
    x = 19,161,263.24/4,788.64
  6. Step 6: Final answer
    x = 4,001.40

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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.