Home / 7,132.80-10,699.22-1,938.67

Finding the Fourth Proportional to 7,132.80, 10,699.22 and 1,938.67

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Solution

The fourth proportional to 7,132.80, 10,699.22 and 1,938.67 is: 2,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.80 : 10,699.22 = 1,938.67 : x
  2. Step 2: Convert to fraction form
    7,132.80/10,699.22 = 1,938.67/x
  3. Step 3: Cross multiply
    7,132.80x = 10,699.22 × 1,938.67
  4. Step 4: Simplify right side
    7,132.80x = 20,742,256.84
  5. Step 5: Solve for x
    x = 20,742,256.84/7,132.80
  6. Step 6: Final answer
    x = 2,908.01

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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.