Home / 9,853.79-13,598.41-5,377.58

Finding the Fourth Proportional to 9,853.79, 13,598.41 and 5,377.58

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Solution

The fourth proportional to 9,853.79, 13,598.41 and 5,377.58 is: 7,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.79 : 13,598.41 = 5,377.58 : x
  2. Step 2: Convert to fraction form
    9,853.79/13,598.41 = 5,377.58/x
  3. Step 3: Cross multiply
    9,853.79x = 13,598.41 × 5,377.58
  4. Step 4: Simplify right side
    9,853.79x = 73,126,558.20
  5. Step 5: Solve for x
    x = 73,126,558.20/9,853.79
  6. Step 6: Final answer
    x = 7,421.16

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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.