Home / 7,647.04-10,553.48-4,289.84

Finding the Fourth Proportional to 7,647.04, 10,553.48 and 4,289.84

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Solution

The fourth proportional to 7,647.04, 10,553.48 and 4,289.84 is: 5,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.04 : 10,553.48 = 4,289.84 : x
  2. Step 2: Convert to fraction form
    7,647.04/10,553.48 = 4,289.84/x
  3. Step 3: Cross multiply
    7,647.04x = 10,553.48 × 4,289.84
  4. Step 4: Simplify right side
    7,647.04x = 45,272,740.64
  5. Step 5: Solve for x
    x = 45,272,740.64/7,647.04
  6. Step 6: Final answer
    x = 5,920.30

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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.