Home / 9,079.04-13,622.44-5,130.84

Finding the Fourth Proportional to 9,079.04, 13,622.44 and 5,130.84

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Solution

The fourth proportional to 9,079.04, 13,622.44 and 5,130.84 is: 7,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.04 : 13,622.44 = 5,130.84 : x
  2. Step 2: Convert to fraction form
    9,079.04/13,622.44 = 5,130.84/x
  3. Step 3: Cross multiply
    9,079.04x = 13,622.44 × 5,130.84
  4. Step 4: Simplify right side
    9,079.04x = 69,894,560.05
  5. Step 5: Solve for x
    x = 69,894,560.05/9,079.04
  6. Step 6: Final answer
    x = 7,698.45

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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.