Home / 5,325.96-7,988.33-1,430.67

Finding the Fourth Proportional to 5,325.96, 7,988.33 and 1,430.67

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Solution

The fourth proportional to 5,325.96, 7,988.33 and 1,430.67 is: 2,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.96 : 7,988.33 = 1,430.67 : x
  2. Step 2: Convert to fraction form
    5,325.96/7,988.33 = 1,430.67/x
  3. Step 3: Cross multiply
    5,325.96x = 7,988.33 × 1,430.67
  4. Step 4: Simplify right side
    5,325.96x = 11,428,656.93
  5. Step 5: Solve for x
    x = 11,428,656.93/5,325.96
  6. Step 6: Final answer
    x = 2,145.84

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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.