Home / 6,985.40-10,479.64-2,306.84

Finding the Fourth Proportional to 6,985.40, 10,479.64 and 2,306.84

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Solution

The fourth proportional to 6,985.40, 10,479.64 and 2,306.84 is: 3,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.40 : 10,479.64 = 2,306.84 : x
  2. Step 2: Convert to fraction form
    6,985.40/10,479.64 = 2,306.84/x
  3. Step 3: Cross multiply
    6,985.40x = 10,479.64 × 2,306.84
  4. Step 4: Simplify right side
    6,985.40x = 24,174,852.74
  5. Step 5: Solve for x
    x = 24,174,852.74/6,985.40
  6. Step 6: Final answer
    x = 3,460.77

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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.