Home / 4,779.25-7,168.04-1,315.69

Finding the Fourth Proportional to 4,779.25, 7,168.04 and 1,315.69

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Solution

The fourth proportional to 4,779.25, 7,168.04 and 1,315.69 is: 1,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.25 : 7,168.04 = 1,315.69 : x
  2. Step 2: Convert to fraction form
    4,779.25/7,168.04 = 1,315.69/x
  3. Step 3: Cross multiply
    4,779.25x = 7,168.04 × 1,315.69
  4. Step 4: Simplify right side
    4,779.25x = 9,430,898.98
  5. Step 5: Solve for x
    x = 9,430,898.98/4,779.25
  6. Step 6: Final answer
    x = 1,973.30

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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.