Home / 7,967.22-10,994.40-4,430.40

Finding the Fourth Proportional to 7,967.22, 10,994.40 and 4,430.40

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Solution

The fourth proportional to 7,967.22, 10,994.40 and 4,430.40 is: 6,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.22 : 10,994.40 = 4,430.40 : x
  2. Step 2: Convert to fraction form
    7,967.22/10,994.40 = 4,430.40/x
  3. Step 3: Cross multiply
    7,967.22x = 10,994.40 × 4,430.40
  4. Step 4: Simplify right side
    7,967.22x = 48,709,589.76
  5. Step 5: Solve for x
    x = 48,709,589.76/7,967.22
  6. Step 6: Final answer
    x = 6,113.75

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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.