Home / 4,742.31-6,542.86-2,646.03

Finding the Fourth Proportional to 4,742.31, 6,542.86 and 2,646.03

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Solution

The fourth proportional to 4,742.31, 6,542.86 and 2,646.03 is: 3,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.31 : 6,542.86 = 2,646.03 : x
  2. Step 2: Convert to fraction form
    4,742.31/6,542.86 = 2,646.03/x
  3. Step 3: Cross multiply
    4,742.31x = 6,542.86 × 2,646.03
  4. Step 4: Simplify right side
    4,742.31x = 17,312,603.85
  5. Step 5: Solve for x
    x = 17,312,603.85/4,742.31
  6. Step 6: Final answer
    x = 3,650.67

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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.