Home / 5,009.95-7,514.62-1,312.10

Finding the Fourth Proportional to 5,009.95, 7,514.62 and 1,312.10

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Solution

The fourth proportional to 5,009.95, 7,514.62 and 1,312.10 is: 1,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.95 : 7,514.62 = 1,312.10 : x
  2. Step 2: Convert to fraction form
    5,009.95/7,514.62 = 1,312.10/x
  3. Step 3: Cross multiply
    5,009.95x = 7,514.62 × 1,312.10
  4. Step 4: Simplify right side
    5,009.95x = 9,859,888.77
  5. Step 5: Solve for x
    x = 9,859,888.77/5,009.95
  6. Step 6: Final answer
    x = 1,968.06

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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.