Home / 4,875.60-6,725.16-2,886

Finding the Fourth Proportional to 4,875.60, 6,725.16 and 2,886

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Solution

The fourth proportional to 4,875.60, 6,725.16 and 2,886 is: 3,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.60 : 6,725.16 = 2,886 : x
  2. Step 2: Convert to fraction form
    4,875.60/6,725.16 = 2,886/x
  3. Step 3: Cross multiply
    4,875.60x = 6,725.16 × 2,886
  4. Step 4: Simplify right side
    4,875.60x = 19,408,811.76
  5. Step 5: Solve for x
    x = 19,408,811.76/4,875.60
  6. Step 6: Final answer
    x = 3,980.80

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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.