Home / 4,877.10-7,315.65-4,430.70

Finding the Fourth Proportional to 4,877.10, 7,315.65 and 4,430.70

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Solution

The fourth proportional to 4,877.10, 7,315.65 and 4,430.70 is: 6,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.10 : 7,315.65 = 4,430.70 : x
  2. Step 2: Convert to fraction form
    4,877.10/7,315.65 = 4,430.70/x
  3. Step 3: Cross multiply
    4,877.10x = 7,315.65 × 4,430.70
  4. Step 4: Simplify right side
    4,877.10x = 32,413,450.46
  5. Step 5: Solve for x
    x = 32,413,450.46/4,877.10
  6. Step 6: Final answer
    x = 6,646.05

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Similar ratio
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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.