Home / 7,557.40-10,428.42-4,199.67

Finding the Fourth Proportional to 7,557.40, 10,428.42 and 4,199.67

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Solution

The fourth proportional to 7,557.40, 10,428.42 and 4,199.67 is: 5,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.40 : 10,428.42 = 4,199.67 : x
  2. Step 2: Convert to fraction form
    7,557.40/10,428.42 = 4,199.67/x
  3. Step 3: Cross multiply
    7,557.40x = 10,428.42 × 4,199.67
  4. Step 4: Simplify right side
    7,557.40x = 43,795,955.89
  5. Step 5: Solve for x
    x = 43,795,955.89/7,557.40
  6. Step 6: Final answer
    x = 5,795.11

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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.