Home / 4,970.02-7,455.03-1,272.26

Finding the Fourth Proportional to 4,970.02, 7,455.03 and 1,272.26

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Solution

The fourth proportional to 4,970.02, 7,455.03 and 1,272.26 is: 1,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.02 : 7,455.03 = 1,272.26 : x
  2. Step 2: Convert to fraction form
    4,970.02/7,455.03 = 1,272.26/x
  3. Step 3: Cross multiply
    4,970.02x = 7,455.03 × 1,272.26
  4. Step 4: Simplify right side
    4,970.02x = 9,484,736.47
  5. Step 5: Solve for x
    x = 9,484,736.47/4,970.02
  6. Step 6: Final answer
    x = 1,908.39

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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.