Home / 7,420.32-10,240.32-4,586.88

Finding the Fourth Proportional to 7,420.32, 10,240.32 and 4,586.88

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Solution

The fourth proportional to 7,420.32, 10,240.32 and 4,586.88 is: 6,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.32 : 10,240.32 = 4,586.88 : x
  2. Step 2: Convert to fraction form
    7,420.32/10,240.32 = 4,586.88/x
  3. Step 3: Cross multiply
    7,420.32x = 10,240.32 × 4,586.88
  4. Step 4: Simplify right side
    7,420.32x = 46,971,119.00
  5. Step 5: Solve for x
    x = 46,971,119.00/7,420.32
  6. Step 6: Final answer
    x = 6,330.07

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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.