Home / 6,905.48-10,356.47-1,975.14

Finding the Fourth Proportional to 6,905.48, 10,356.47 and 1,975.14

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Solution

The fourth proportional to 6,905.48, 10,356.47 and 1,975.14 is: 2,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.48 : 10,356.47 = 1,975.14 : x
  2. Step 2: Convert to fraction form
    6,905.48/10,356.47 = 1,975.14/x
  3. Step 3: Cross multiply
    6,905.48x = 10,356.47 × 1,975.14
  4. Step 4: Simplify right side
    6,905.48x = 20,455,478.16
  5. Step 5: Solve for x
    x = 20,455,478.16/6,905.48
  6. Step 6: Final answer
    x = 2,962.21

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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.