Home / 7,287.13-10,055.64-4,303.09

Finding the Fourth Proportional to 7,287.13, 10,055.64 and 4,303.09

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Solution

The fourth proportional to 7,287.13, 10,055.64 and 4,303.09 is: 5,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.13 : 10,055.64 = 4,303.09 : x
  2. Step 2: Convert to fraction form
    7,287.13/10,055.64 = 4,303.09/x
  3. Step 3: Cross multiply
    7,287.13x = 10,055.64 × 4,303.09
  4. Step 4: Simplify right side
    7,287.13x = 43,270,323.93
  5. Step 5: Solve for x
    x = 43,270,323.93/7,287.13
  6. Step 6: Final answer
    x = 5,937.91

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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.