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Finding the Fourth Proportional to 4,931.04, 7,401.48 and 4,017.36

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Solution

The fourth proportional to 4,931.04, 7,401.48 and 4,017.36 is: 6,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.04 : 7,401.48 = 4,017.36 : x
  2. Step 2: Convert to fraction form
    4,931.04/7,401.48 = 4,017.36/x
  3. Step 3: Cross multiply
    4,931.04x = 7,401.48 × 4,017.36
  4. Step 4: Simplify right side
    4,931.04x = 29,734,409.69
  5. Step 5: Solve for x
    x = 29,734,409.69/4,931.04
  6. Step 6: Final answer
    x = 6,030.05

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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.