Home / 7,288.32-10,061.28-4,774.08

Finding the Fourth Proportional to 7,288.32, 10,061.28 and 4,774.08

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Solution

The fourth proportional to 7,288.32, 10,061.28 and 4,774.08 is: 6,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.32 : 10,061.28 = 4,774.08 : x
  2. Step 2: Convert to fraction form
    7,288.32/10,061.28 = 4,774.08/x
  3. Step 3: Cross multiply
    7,288.32x = 10,061.28 × 4,774.08
  4. Step 4: Simplify right side
    7,288.32x = 48,033,355.62
  5. Step 5: Solve for x
    x = 48,033,355.62/7,288.32
  6. Step 6: Final answer
    x = 6,590.46

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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.