Home / 4,818.40-6,643.56-3,700.60

Finding the Fourth Proportional to 4,818.40, 6,643.56 and 3,700.60

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Solution

The fourth proportional to 4,818.40, 6,643.56 and 3,700.60 is: 5,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.40 : 6,643.56 = 3,700.60 : x
  2. Step 2: Convert to fraction form
    4,818.40/6,643.56 = 3,700.60/x
  3. Step 3: Cross multiply
    4,818.40x = 6,643.56 × 3,700.60
  4. Step 4: Simplify right side
    4,818.40x = 24,585,158.14
  5. Step 5: Solve for x
    x = 24,585,158.14/4,818.40
  6. Step 6: Final answer
    x = 5,102.35

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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.