Home / 7,051.46-9,720.61-5,556.40

Finding the Fourth Proportional to 7,051.46, 9,720.61 and 5,556.40

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Solution

The fourth proportional to 7,051.46, 9,720.61 and 5,556.40 is: 7,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.46 : 9,720.61 = 5,556.40 : x
  2. Step 2: Convert to fraction form
    7,051.46/9,720.61 = 5,556.40/x
  3. Step 3: Cross multiply
    7,051.46x = 9,720.61 × 5,556.40
  4. Step 4: Simplify right side
    7,051.46x = 54,011,559.21
  5. Step 5: Solve for x
    x = 54,011,559.21/7,051.46
  6. Step 6: Final answer
    x = 7,659.63

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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.