Home / 4,509.76-6,223.52-2,520.40

Finding the Fourth Proportional to 4,509.76, 6,223.52 and 2,520.40

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Solution

The fourth proportional to 4,509.76, 6,223.52 and 2,520.40 is: 3,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.76 : 6,223.52 = 2,520.40 : x
  2. Step 2: Convert to fraction form
    4,509.76/6,223.52 = 2,520.40/x
  3. Step 3: Cross multiply
    4,509.76x = 6,223.52 × 2,520.40
  4. Step 4: Simplify right side
    4,509.76x = 15,685,759.81
  5. Step 5: Solve for x
    x = 15,685,759.81/4,509.76
  6. Step 6: Final answer
    x = 3,478.18

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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.