Home / 4,620.06-6,931.26-2,428.20

Finding the Fourth Proportional to 4,620.06, 6,931.26 and 2,428.20

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Solution

The fourth proportional to 4,620.06, 6,931.26 and 2,428.20 is: 3,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.06 : 6,931.26 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    4,620.06/6,931.26 = 2,428.20/x
  3. Step 3: Cross multiply
    4,620.06x = 6,931.26 × 2,428.20
  4. Step 4: Simplify right side
    4,620.06x = 16,830,485.53
  5. Step 5: Solve for x
    x = 16,830,485.53/4,620.06
  6. Step 6: Final answer
    x = 3,642.91

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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.