Home / 7,218.69-9,962.66-4,386.53

Finding the Fourth Proportional to 7,218.69, 9,962.66 and 4,386.53

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Solution

The fourth proportional to 7,218.69, 9,962.66 and 4,386.53 is: 6,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.69 : 9,962.66 = 4,386.53 : x
  2. Step 2: Convert to fraction form
    7,218.69/9,962.66 = 4,386.53/x
  3. Step 3: Cross multiply
    7,218.69x = 9,962.66 × 4,386.53
  4. Step 4: Simplify right side
    7,218.69x = 43,701,435.22
  5. Step 5: Solve for x
    x = 43,701,435.22/7,218.69
  6. Step 6: Final answer
    x = 6,053.93

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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.