Home / 6,291.10-9,430.35-3,166.30

Finding the Fourth Proportional to 6,291.10, 9,430.35 and 3,166.30

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Solution

The fourth proportional to 6,291.10, 9,430.35 and 3,166.30 is: 4,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.10 : 9,430.35 = 3,166.30 : x
  2. Step 2: Convert to fraction form
    6,291.10/9,430.35 = 3,166.30/x
  3. Step 3: Cross multiply
    6,291.10x = 9,430.35 × 3,166.30
  4. Step 4: Simplify right side
    6,291.10x = 29,859,317.21
  5. Step 5: Solve for x
    x = 29,859,317.21/6,291.10
  6. Step 6: Final answer
    x = 4,746.28

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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.