Home / 6,955.79-10,407.51-4,879.84

Finding the Fourth Proportional to 6,955.79, 10,407.51 and 4,879.84

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Solution

The fourth proportional to 6,955.79, 10,407.51 and 4,879.84 is: 7,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.79 : 10,407.51 = 4,879.84 : x
  2. Step 2: Convert to fraction form
    6,955.79/10,407.51 = 4,879.84/x
  3. Step 3: Cross multiply
    6,955.79x = 10,407.51 × 4,879.84
  4. Step 4: Simplify right side
    6,955.79x = 50,786,957.58
  5. Step 5: Solve for x
    x = 50,786,957.58/6,955.79
  6. Step 6: Final answer
    x = 7,301.40

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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.