Home / 7,874.04-10,866.83-4,337.91

Finding the Fourth Proportional to 7,874.04, 10,866.83 and 4,337.91

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Solution

The fourth proportional to 7,874.04, 10,866.83 and 4,337.91 is: 5,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.04 : 10,866.83 = 4,337.91 : x
  2. Step 2: Convert to fraction form
    7,874.04/10,866.83 = 4,337.91/x
  3. Step 3: Cross multiply
    7,874.04x = 10,866.83 × 4,337.91
  4. Step 4: Simplify right side
    7,874.04x = 47,139,308.84
  5. Step 5: Solve for x
    x = 47,139,308.84/7,874.04
  6. Step 6: Final answer
    x = 5,986.67

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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.