Home / 9,349.83-12,903.81-5,370.87

Finding the Fourth Proportional to 9,349.83, 12,903.81 and 5,370.87

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Solution

The fourth proportional to 9,349.83, 12,903.81 and 5,370.87 is: 7,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.83 : 12,903.81 = 5,370.87 : x
  2. Step 2: Convert to fraction form
    9,349.83/12,903.81 = 5,370.87/x
  3. Step 3: Cross multiply
    9,349.83x = 12,903.81 × 5,370.87
  4. Step 4: Simplify right side
    9,349.83x = 69,304,686.01
  5. Step 5: Solve for x
    x = 69,304,686.01/9,349.83
  6. Step 6: Final answer
    x = 7,412.40

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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.