Home / 4,622.30-6,931.18-2,647.63

Finding the Fourth Proportional to 4,622.30, 6,931.18 and 2,647.63

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Solution

The fourth proportional to 4,622.30, 6,931.18 and 2,647.63 is: 3,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.30 : 6,931.18 = 2,647.63 : x
  2. Step 2: Convert to fraction form
    4,622.30/6,931.18 = 2,647.63/x
  3. Step 3: Cross multiply
    4,622.30x = 6,931.18 × 2,647.63
  4. Step 4: Simplify right side
    4,622.30x = 18,351,200.10
  5. Step 5: Solve for x
    x = 18,351,200.10/4,622.30
  6. Step 6: Final answer
    x = 3,970.14

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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.