Home / 7,322.42-10,985.08-2,390.74

Finding the Fourth Proportional to 7,322.42, 10,985.08 and 2,390.74

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Solution

The fourth proportional to 7,322.42, 10,985.08 and 2,390.74 is: 3,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.42 : 10,985.08 = 2,390.74 : x
  2. Step 2: Convert to fraction form
    7,322.42/10,985.08 = 2,390.74/x
  3. Step 3: Cross multiply
    7,322.42x = 10,985.08 × 2,390.74
  4. Step 4: Simplify right side
    7,322.42x = 26,262,470.16
  5. Step 5: Solve for x
    x = 26,262,470.16/7,322.42
  6. Step 6: Final answer
    x = 3,586.58

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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.