Home / 7,085.32-10,628.35-2,154.58

Finding the Fourth Proportional to 7,085.32, 10,628.35 and 2,154.58

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Solution

The fourth proportional to 7,085.32, 10,628.35 and 2,154.58 is: 3,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.32 : 10,628.35 = 2,154.58 : x
  2. Step 2: Convert to fraction form
    7,085.32/10,628.35 = 2,154.58/x
  3. Step 3: Cross multiply
    7,085.32x = 10,628.35 × 2,154.58
  4. Step 4: Simplify right side
    7,085.32x = 22,899,598.39
  5. Step 5: Solve for x
    x = 22,899,598.39/7,085.32
  6. Step 6: Final answer
    x = 3,231.98

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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.