Home / 4,312.93-6,478.61-3,088.21

Finding the Fourth Proportional to 4,312.93, 6,478.61 and 3,088.21

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Solution

The fourth proportional to 4,312.93, 6,478.61 and 3,088.21 is: 4,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.93 : 6,478.61 = 3,088.21 : x
  2. Step 2: Convert to fraction form
    4,312.93/6,478.61 = 3,088.21/x
  3. Step 3: Cross multiply
    4,312.93x = 6,478.61 × 3,088.21
  4. Step 4: Simplify right side
    4,312.93x = 20,007,276.55
  5. Step 5: Solve for x
    x = 20,007,276.55/4,312.93
  6. Step 6: Final answer
    x = 4,638.91

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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.