Home / 7,870.24-11,794.32-6,219.52

Finding the Fourth Proportional to 7,870.24, 11,794.32 and 6,219.52

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Solution

The fourth proportional to 7,870.24, 11,794.32 and 6,219.52 is: 9,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.24 : 11,794.32 = 6,219.52 : x
  2. Step 2: Convert to fraction form
    7,870.24/11,794.32 = 6,219.52/x
  3. Step 3: Cross multiply
    7,870.24x = 11,794.32 × 6,219.52
  4. Step 4: Simplify right side
    7,870.24x = 73,355,009.13
  5. Step 5: Solve for x
    x = 73,355,009.13/7,870.24
  6. Step 6: Final answer
    x = 9,320.56

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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.