Home / 4,509.79-6,223.77-2,520.53

Finding the Fourth Proportional to 4,509.79, 6,223.77 and 2,520.53

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Solution

The fourth proportional to 4,509.79, 6,223.77 and 2,520.53 is: 3,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.79 : 6,223.77 = 2,520.53 : x
  2. Step 2: Convert to fraction form
    4,509.79/6,223.77 = 2,520.53/x
  3. Step 3: Cross multiply
    4,509.79x = 6,223.77 × 2,520.53
  4. Step 4: Simplify right side
    4,509.79x = 15,687,199.00
  5. Step 5: Solve for x
    x = 15,687,199.00/4,509.79
  6. Step 6: Final answer
    x = 3,478.48

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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.