Home / 7,039.38-9,710.45-4,521.86

Finding the Fourth Proportional to 7,039.38, 9,710.45 and 4,521.86

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Solution

The fourth proportional to 7,039.38, 9,710.45 and 4,521.86 is: 6,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.38 : 9,710.45 = 4,521.86 : x
  2. Step 2: Convert to fraction form
    7,039.38/9,710.45 = 4,521.86/x
  3. Step 3: Cross multiply
    7,039.38x = 9,710.45 × 4,521.86
  4. Step 4: Simplify right side
    7,039.38x = 43,909,318.88
  5. Step 5: Solve for x
    x = 43,909,318.88/7,039.38
  6. Step 6: Final answer
    x = 6,237.67

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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.