Home / 4,818.84-6,652.90-3,143.16

Finding the Fourth Proportional to 4,818.84, 6,652.90 and 3,143.16

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Solution

The fourth proportional to 4,818.84, 6,652.90 and 3,143.16 is: 4,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.84 : 6,652.90 = 3,143.16 : x
  2. Step 2: Convert to fraction form
    4,818.84/6,652.90 = 3,143.16/x
  3. Step 3: Cross multiply
    4,818.84x = 6,652.90 × 3,143.16
  4. Step 4: Simplify right side
    4,818.84x = 20,911,129.16
  5. Step 5: Solve for x
    x = 20,911,129.16/4,818.84
  6. Step 6: Final answer
    x = 4,339.45

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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.