Home / 7,484.46-10,330.54-4,420.99

Finding the Fourth Proportional to 7,484.46, 10,330.54 and 4,420.99

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Solution

The fourth proportional to 7,484.46, 10,330.54 and 4,420.99 is: 6,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.46 : 10,330.54 = 4,420.99 : x
  2. Step 2: Convert to fraction form
    7,484.46/10,330.54 = 4,420.99/x
  3. Step 3: Cross multiply
    7,484.46x = 10,330.54 × 4,420.99
  4. Step 4: Simplify right side
    7,484.46x = 45,671,215.90
  5. Step 5: Solve for x
    x = 45,671,215.90/7,484.46
  6. Step 6: Final answer
    x = 6,102.14

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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.