Home / 4,916.60-7,389.30-4,830.20

Finding the Fourth Proportional to 4,916.60, 7,389.30 and 4,830.20

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Solution

The fourth proportional to 4,916.60, 7,389.30 and 4,830.20 is: 7,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.60 : 7,389.30 = 4,830.20 : x
  2. Step 2: Convert to fraction form
    4,916.60/7,389.30 = 4,830.20/x
  3. Step 3: Cross multiply
    4,916.60x = 7,389.30 × 4,830.20
  4. Step 4: Simplify right side
    4,916.60x = 35,691,796.86
  5. Step 5: Solve for x
    x = 35,691,796.86/4,916.60
  6. Step 6: Final answer
    x = 7,259.45

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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.