Home / 9,271.52-12,794.40-5,079.68

Finding the Fourth Proportional to 9,271.52, 12,794.40 and 5,079.68

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Solution

The fourth proportional to 9,271.52, 12,794.40 and 5,079.68 is: 7,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.52 : 12,794.40 = 5,079.68 : x
  2. Step 2: Convert to fraction form
    9,271.52/12,794.40 = 5,079.68/x
  3. Step 3: Cross multiply
    9,271.52x = 12,794.40 × 5,079.68
  4. Step 4: Simplify right side
    9,271.52x = 64,991,457.79
  5. Step 5: Solve for x
    x = 64,991,457.79/9,271.52
  6. Step 6: Final answer
    x = 7,009.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.