Home / 7,521.51-11,281.36-1,975.29

Finding the Fourth Proportional to 7,521.51, 11,281.36 and 1,975.29

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Solution

The fourth proportional to 7,521.51, 11,281.36 and 1,975.29 is: 2,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.51 : 11,281.36 = 1,975.29 : x
  2. Step 2: Convert to fraction form
    7,521.51/11,281.36 = 1,975.29/x
  3. Step 3: Cross multiply
    7,521.51x = 11,281.36 × 1,975.29
  4. Step 4: Simplify right side
    7,521.51x = 22,283,957.59
  5. Step 5: Solve for x
    x = 22,283,957.59/7,521.51
  6. Step 6: Final answer
    x = 2,962.70

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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.