Home / 7,219.17-10,830.36-2,289.10

Finding the Fourth Proportional to 7,219.17, 10,830.36 and 2,289.10

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Solution

The fourth proportional to 7,219.17, 10,830.36 and 2,289.10 is: 3,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.17 : 10,830.36 = 2,289.10 : x
  2. Step 2: Convert to fraction form
    7,219.17/10,830.36 = 2,289.10/x
  3. Step 3: Cross multiply
    7,219.17x = 10,830.36 × 2,289.10
  4. Step 4: Simplify right side
    7,219.17x = 24,791,777.08
  5. Step 5: Solve for x
    x = 24,791,777.08/7,219.17
  6. Step 6: Final answer
    x = 3,434.16

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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.