Home / 4,639.04-6,401.88-2,543.12

Finding the Fourth Proportional to 4,639.04, 6,401.88 and 2,543.12

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Solution

The fourth proportional to 4,639.04, 6,401.88 and 2,543.12 is: 3,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.04 : 6,401.88 = 2,543.12 : x
  2. Step 2: Convert to fraction form
    4,639.04/6,401.88 = 2,543.12/x
  3. Step 3: Cross multiply
    4,639.04x = 6,401.88 × 2,543.12
  4. Step 4: Simplify right side
    4,639.04x = 16,280,749.07
  5. Step 5: Solve for x
    x = 16,280,749.07/4,639.04
  6. Step 6: Final answer
    x = 3,509.51

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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.