Home / 7,079.63-10,620.65-2,149.76

Finding the Fourth Proportional to 7,079.63, 10,620.65 and 2,149.76

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Solution

The fourth proportional to 7,079.63, 10,620.65 and 2,149.76 is: 3,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.63 : 10,620.65 = 2,149.76 : x
  2. Step 2: Convert to fraction form
    7,079.63/10,620.65 = 2,149.76/x
  3. Step 3: Cross multiply
    7,079.63x = 10,620.65 × 2,149.76
  4. Step 4: Simplify right side
    7,079.63x = 22,831,880.47
  5. Step 5: Solve for x
    x = 22,831,880.47/7,079.63
  6. Step 6: Final answer
    x = 3,225.01

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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.