Home / 7,287.04-10,931.16-2,357.47

Finding the Fourth Proportional to 7,287.04, 10,931.16 and 2,357.47

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Solution

The fourth proportional to 7,287.04, 10,931.16 and 2,357.47 is: 3,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.04 : 10,931.16 = 2,357.47 : x
  2. Step 2: Convert to fraction form
    7,287.04/10,931.16 = 2,357.47/x
  3. Step 3: Cross multiply
    7,287.04x = 10,931.16 × 2,357.47
  4. Step 4: Simplify right side
    7,287.04x = 25,769,881.77
  5. Step 5: Solve for x
    x = 25,769,881.77/7,287.04
  6. Step 6: Final answer
    x = 3,536.40

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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.