Home / 6,561.16-9,055.86-4,170.67

Finding the Fourth Proportional to 6,561.16, 9,055.86 and 4,170.67

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Solution

The fourth proportional to 6,561.16, 9,055.86 and 4,170.67 is: 5,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.16 : 9,055.86 = 4,170.67 : x
  2. Step 2: Convert to fraction form
    6,561.16/9,055.86 = 4,170.67/x
  3. Step 3: Cross multiply
    6,561.16x = 9,055.86 × 4,170.67
  4. Step 4: Simplify right side
    6,561.16x = 37,768,968.77
  5. Step 5: Solve for x
    x = 37,768,968.77/6,561.16
  6. Step 6: Final answer
    x = 5,756.44

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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.