Home / 5,673.18-8,509.68-1,777.47

Finding the Fourth Proportional to 5,673.18, 8,509.68 and 1,777.47

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Solution

The fourth proportional to 5,673.18, 8,509.68 and 1,777.47 is: 2,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.18 : 8,509.68 = 1,777.47 : x
  2. Step 2: Convert to fraction form
    5,673.18/8,509.68 = 1,777.47/x
  3. Step 3: Cross multiply
    5,673.18x = 8,509.68 × 1,777.47
  4. Step 4: Simplify right side
    5,673.18x = 15,125,700.91
  5. Step 5: Solve for x
    x = 15,125,700.91/5,673.18
  6. Step 6: Final answer
    x = 2,666.18

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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.