Home / 7,075.74-10,612.53-1,881.57

Finding the Fourth Proportional to 7,075.74, 10,612.53 and 1,881.57

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Solution

The fourth proportional to 7,075.74, 10,612.53 and 1,881.57 is: 2,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.74 : 10,612.53 = 1,881.57 : x
  2. Step 2: Convert to fraction form
    7,075.74/10,612.53 = 1,881.57/x
  3. Step 3: Cross multiply
    7,075.74x = 10,612.53 × 1,881.57
  4. Step 4: Simplify right side
    7,075.74x = 19,968,218.07
  5. Step 5: Solve for x
    x = 19,968,218.07/7,075.74
  6. Step 6: Final answer
    x = 2,822.07

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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.