Home / 7,868.64-11,802.08-4,938.24

Finding the Fourth Proportional to 7,868.64, 11,802.08 and 4,938.24

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Solution

The fourth proportional to 7,868.64, 11,802.08 and 4,938.24 is: 7,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.64 : 11,802.08 = 4,938.24 : x
  2. Step 2: Convert to fraction form
    7,868.64/11,802.08 = 4,938.24/x
  3. Step 3: Cross multiply
    7,868.64x = 11,802.08 × 4,938.24
  4. Step 4: Simplify right side
    7,868.64x = 58,281,503.54
  5. Step 5: Solve for x
    x = 58,281,503.54/7,868.64
  6. Step 6: Final answer
    x = 7,406.81

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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.