Home / 7,966.89-10,994.40-4,430.16

Finding the Fourth Proportional to 7,966.89, 10,994.40 and 4,430.16

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Solution

The fourth proportional to 7,966.89, 10,994.40 and 4,430.16 is: 6,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.89 : 10,994.40 = 4,430.16 : x
  2. Step 2: Convert to fraction form
    7,966.89/10,994.40 = 4,430.16/x
  3. Step 3: Cross multiply
    7,966.89x = 10,994.40 × 4,430.16
  4. Step 4: Simplify right side
    7,966.89x = 48,706,951.10
  5. Step 5: Solve for x
    x = 48,706,951.10/7,966.89
  6. Step 6: Final answer
    x = 6,113.67

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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.