Home / 7,087.32-10,632.87-6,312.65

Finding the Fourth Proportional to 7,087.32, 10,632.87 and 6,312.65

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Solution

The fourth proportional to 7,087.32, 10,632.87 and 6,312.65 is: 9,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.32 : 10,632.87 = 6,312.65 : x
  2. Step 2: Convert to fraction form
    7,087.32/10,632.87 = 6,312.65/x
  3. Step 3: Cross multiply
    7,087.32x = 10,632.87 × 6,312.65
  4. Step 4: Simplify right side
    7,087.32x = 67,121,533.64
  5. Step 5: Solve for x
    x = 67,121,533.64/7,087.32
  6. Step 6: Final answer
    x = 9,470.65

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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.