Home / 5,070.30-7,602.48-2,147.10

Finding the Fourth Proportional to 5,070.30, 7,602.48 and 2,147.10

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Solution

The fourth proportional to 5,070.30, 7,602.48 and 2,147.10 is: 3,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.30 : 7,602.48 = 2,147.10 : x
  2. Step 2: Convert to fraction form
    5,070.30/7,602.48 = 2,147.10/x
  3. Step 3: Cross multiply
    5,070.30x = 7,602.48 × 2,147.10
  4. Step 4: Simplify right side
    5,070.30x = 16,323,284.81
  5. Step 5: Solve for x
    x = 16,323,284.81/5,070.30
  6. Step 6: Final answer
    x = 3,219.39

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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.