Home / 5,270.24-7,905.35-1,572.45

Finding the Fourth Proportional to 5,270.24, 7,905.35 and 1,572.45

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Solution

The fourth proportional to 5,270.24, 7,905.35 and 1,572.45 is: 2,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.24 : 7,905.35 = 1,572.45 : x
  2. Step 2: Convert to fraction form
    5,270.24/7,905.35 = 1,572.45/x
  3. Step 3: Cross multiply
    5,270.24x = 7,905.35 × 1,572.45
  4. Step 4: Simplify right side
    5,270.24x = 12,430,759.75
  5. Step 5: Solve for x
    x = 12,430,759.75/5,270.24
  6. Step 6: Final answer
    x = 2,358.67

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1.5x scale

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.