Home / 4,858.20-7,287.30-4,307.40

Finding the Fourth Proportional to 4,858.20, 7,287.30 and 4,307.40

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Solution

The fourth proportional to 4,858.20, 7,287.30 and 4,307.40 is: 6,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.20 : 7,287.30 = 4,307.40 : x
  2. Step 2: Convert to fraction form
    4,858.20/7,287.30 = 4,307.40/x
  3. Step 3: Cross multiply
    4,858.20x = 7,287.30 × 4,307.40
  4. Step 4: Simplify right side
    4,858.20x = 31,389,316.02
  5. Step 5: Solve for x
    x = 31,389,316.02/4,858.20
  6. Step 6: Final answer
    x = 6,461.10

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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.