Home / 7,448.23-10,278.50-4,045.31

Finding the Fourth Proportional to 7,448.23, 10,278.50 and 4,045.31

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Solution

The fourth proportional to 7,448.23, 10,278.50 and 4,045.31 is: 5,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.23 : 10,278.50 = 4,045.31 : x
  2. Step 2: Convert to fraction form
    7,448.23/10,278.50 = 4,045.31/x
  3. Step 3: Cross multiply
    7,448.23x = 10,278.50 × 4,045.31
  4. Step 4: Simplify right side
    7,448.23x = 41,579,718.84
  5. Step 5: Solve for x
    x = 41,579,718.84/7,448.23
  6. Step 6: Final answer
    x = 5,582.50

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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.