Home / 7,021.64-10,523.34-2,856.80

Finding the Fourth Proportional to 7,021.64, 10,523.34 and 2,856.80

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Solution

The fourth proportional to 7,021.64, 10,523.34 and 2,856.80 is: 4,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.64 : 10,523.34 = 2,856.80 : x
  2. Step 2: Convert to fraction form
    7,021.64/10,523.34 = 2,856.80/x
  3. Step 3: Cross multiply
    7,021.64x = 10,523.34 × 2,856.80
  4. Step 4: Simplify right side
    7,021.64x = 30,063,077.71
  5. Step 5: Solve for x
    x = 30,063,077.71/7,021.64
  6. Step 6: Final answer
    x = 4,281.49

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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.