Home / 4,779.07-7,167.47-2,005.80

Finding the Fourth Proportional to 4,779.07, 7,167.47 and 2,005.80

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Solution

The fourth proportional to 4,779.07, 7,167.47 and 2,005.80 is: 3,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.07 : 7,167.47 = 2,005.80 : x
  2. Step 2: Convert to fraction form
    4,779.07/7,167.47 = 2,005.80/x
  3. Step 3: Cross multiply
    4,779.07x = 7,167.47 × 2,005.80
  4. Step 4: Simplify right side
    4,779.07x = 14,376,465.46
  5. Step 5: Solve for x
    x = 14,376,465.46/4,779.07
  6. Step 6: Final answer
    x = 3,008.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.