Home / 5,256.60-7,875.30-4,277.40

Finding the Fourth Proportional to 5,256.60, 7,875.30 and 4,277.40

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Solution

The fourth proportional to 5,256.60, 7,875.30 and 4,277.40 is: 6,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.60 : 7,875.30 = 4,277.40 : x
  2. Step 2: Convert to fraction form
    5,256.60/7,875.30 = 4,277.40/x
  3. Step 3: Cross multiply
    5,256.60x = 7,875.30 × 4,277.40
  4. Step 4: Simplify right side
    5,256.60x = 33,685,808.22
  5. Step 5: Solve for x
    x = 33,685,808.22/5,256.60
  6. Step 6: Final answer
    x = 6,408.29

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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.