Home / 7,459.81-10,294.53-4,102.85

Finding the Fourth Proportional to 7,459.81, 10,294.53 and 4,102.85

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Solution

The fourth proportional to 7,459.81, 10,294.53 and 4,102.85 is: 5,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.81 : 10,294.53 = 4,102.85 : x
  2. Step 2: Convert to fraction form
    7,459.81/10,294.53 = 4,102.85/x
  3. Step 3: Cross multiply
    7,459.81x = 10,294.53 × 4,102.85
  4. Step 4: Simplify right side
    7,459.81x = 42,236,887.91
  5. Step 5: Solve for x
    x = 42,236,887.91/7,459.81
  6. Step 6: Final answer
    x = 5,661.93

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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.