Home / 9,705.04-13,392.36-5,727.40

Finding the Fourth Proportional to 9,705.04, 13,392.36 and 5,727.40

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Solution

The fourth proportional to 9,705.04, 13,392.36 and 5,727.40 is: 7,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.04 : 13,392.36 = 5,727.40 : x
  2. Step 2: Convert to fraction form
    9,705.04/13,392.36 = 5,727.40/x
  3. Step 3: Cross multiply
    9,705.04x = 13,392.36 × 5,727.40
  4. Step 4: Simplify right side
    9,705.04x = 76,703,369.18
  5. Step 5: Solve for x
    x = 76,703,369.18/9,705.04
  6. Step 6: Final answer
    x = 7,903.46

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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.