Home / 7,070.60-10,606.02-2,140.30

Finding the Fourth Proportional to 7,070.60, 10,606.02 and 2,140.30

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Solution

The fourth proportional to 7,070.60, 10,606.02 and 2,140.30 is: 3,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.60 : 10,606.02 = 2,140.30 : x
  2. Step 2: Convert to fraction form
    7,070.60/10,606.02 = 2,140.30/x
  3. Step 3: Cross multiply
    7,070.60x = 10,606.02 × 2,140.30
  4. Step 4: Simplify right side
    7,070.60x = 22,700,064.61
  5. Step 5: Solve for x
    x = 22,700,064.61/7,070.60
  6. Step 6: Final answer
    x = 3,210.49

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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.