Home / 5,077.60-7,614.48-1,790.08

Finding the Fourth Proportional to 5,077.60, 7,614.48 and 1,790.08

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Solution

The fourth proportional to 5,077.60, 7,614.48 and 1,790.08 is: 2,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.60 : 7,614.48 = 1,790.08 : x
  2. Step 2: Convert to fraction form
    5,077.60/7,614.48 = 1,790.08/x
  3. Step 3: Cross multiply
    5,077.60x = 7,614.48 × 1,790.08
  4. Step 4: Simplify right side
    5,077.60x = 13,630,528.36
  5. Step 5: Solve for x
    x = 13,630,528.36/5,077.60
  6. Step 6: Final answer
    x = 2,684.44

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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.