Home / 7,225.02-9,970.68-4,080.60

Finding the Fourth Proportional to 7,225.02, 9,970.68 and 4,080.60

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Solution

The fourth proportional to 7,225.02, 9,970.68 and 4,080.60 is: 5,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.02 : 9,970.68 = 4,080.60 : x
  2. Step 2: Convert to fraction form
    7,225.02/9,970.68 = 4,080.60/x
  3. Step 3: Cross multiply
    7,225.02x = 9,970.68 × 4,080.60
  4. Step 4: Simplify right side
    7,225.02x = 40,686,356.81
  5. Step 5: Solve for x
    x = 40,686,356.81/7,225.02
  6. Step 6: Final answer
    x = 5,631.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.