Home / 7,155.20-10,709.46-6,898.32

Finding the Fourth Proportional to 7,155.20, 10,709.46 and 6,898.32

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Solution

The fourth proportional to 7,155.20, 10,709.46 and 6,898.32 is: 10,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.20 : 10,709.46 = 6,898.32 : x
  2. Step 2: Convert to fraction form
    7,155.20/10,709.46 = 6,898.32/x
  3. Step 3: Cross multiply
    7,155.20x = 10,709.46 × 6,898.32
  4. Step 4: Simplify right side
    7,155.20x = 73,877,282.11
  5. Step 5: Solve for x
    x = 73,877,282.11/7,155.20
  6. Step 6: Final answer
    x = 10,324.98

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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.