Home / 6,885.28-9,495.84-4,646.80

Finding the Fourth Proportional to 6,885.28, 9,495.84 and 4,646.80

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Solution

The fourth proportional to 6,885.28, 9,495.84 and 4,646.80 is: 6,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.28 : 9,495.84 = 4,646.80 : x
  2. Step 2: Convert to fraction form
    6,885.28/9,495.84 = 4,646.80/x
  3. Step 3: Cross multiply
    6,885.28x = 9,495.84 × 4,646.80
  4. Step 4: Simplify right side
    6,885.28x = 44,125,269.31
  5. Step 5: Solve for x
    x = 44,125,269.31/6,885.28
  6. Step 6: Final answer
    x = 6,408.64

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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.