Home / 6,976.01-10,421.63-4,985.84

Finding the Fourth Proportional to 6,976.01, 10,421.63 and 4,985.84

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Solution

The fourth proportional to 6,976.01, 10,421.63 and 4,985.84 is: 7,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.01 : 10,421.63 = 4,985.84 : x
  2. Step 2: Convert to fraction form
    6,976.01/10,421.63 = 4,985.84/x
  3. Step 3: Cross multiply
    6,976.01x = 10,421.63 × 4,985.84
  4. Step 4: Simplify right side
    6,976.01x = 51,960,540.92
  5. Step 5: Solve for x
    x = 51,960,540.92/6,976.01
  6. Step 6: Final answer
    x = 7,448.46

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.