Home / 6,870.05-10,308.36-4,764.91

Finding the Fourth Proportional to 6,870.05, 10,308.36 and 4,764.91

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Solution

The fourth proportional to 6,870.05, 10,308.36 and 4,764.91 is: 7,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.05 : 10,308.36 = 4,764.91 : x
  2. Step 2: Convert to fraction form
    6,870.05/10,308.36 = 4,764.91/x
  3. Step 3: Cross multiply
    6,870.05x = 10,308.36 × 4,764.91
  4. Step 4: Simplify right side
    6,870.05x = 49,118,356.11
  5. Step 5: Solve for x
    x = 49,118,356.11/6,870.05
  6. Step 6: Final answer
    x = 7,149.64

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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.