Home / 5,186.48-7,776.28-2,718.32

Finding the Fourth Proportional to 5,186.48, 7,776.28 and 2,718.32

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Solution

The fourth proportional to 5,186.48, 7,776.28 and 2,718.32 is: 4,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.48 : 7,776.28 = 2,718.32 : x
  2. Step 2: Convert to fraction form
    5,186.48/7,776.28 = 2,718.32/x
  3. Step 3: Cross multiply
    5,186.48x = 7,776.28 × 2,718.32
  4. Step 4: Simplify right side
    5,186.48x = 21,138,417.45
  5. Step 5: Solve for x
    x = 21,138,417.45/5,186.48
  6. Step 6: Final answer
    x = 4,075.68

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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.