Home / 8,964.08-12,370.37-4,985.18

Finding the Fourth Proportional to 8,964.08, 12,370.37 and 4,985.18

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Solution

The fourth proportional to 8,964.08, 12,370.37 and 4,985.18 is: 6,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.08 : 12,370.37 = 4,985.18 : x
  2. Step 2: Convert to fraction form
    8,964.08/12,370.37 = 4,985.18/x
  3. Step 3: Cross multiply
    8,964.08x = 12,370.37 × 4,985.18
  4. Step 4: Simplify right side
    8,964.08x = 61,668,434.34
  5. Step 5: Solve for x
    x = 61,668,434.34/8,964.08
  6. Step 6: Final answer
    x = 6,879.51

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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.