Home / 5,685.36-7,846.80-4,256.88

Finding the Fourth Proportional to 5,685.36, 7,846.80 and 4,256.88

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Solution

The fourth proportional to 5,685.36, 7,846.80 and 4,256.88 is: 5,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.36 : 7,846.80 = 4,256.88 : x
  2. Step 2: Convert to fraction form
    5,685.36/7,846.80 = 4,256.88/x
  3. Step 3: Cross multiply
    5,685.36x = 7,846.80 × 4,256.88
  4. Step 4: Simplify right side
    5,685.36x = 33,402,885.98
  5. Step 5: Solve for x
    x = 33,402,885.98/5,685.36
  6. Step 6: Final answer
    x = 5,875.25

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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.