Home / 7,547.04-10,415.12-4,190

Finding the Fourth Proportional to 7,547.04, 10,415.12 and 4,190

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Solution

The fourth proportional to 7,547.04, 10,415.12 and 4,190 is: 5,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.04 : 10,415.12 = 4,190 : x
  2. Step 2: Convert to fraction form
    7,547.04/10,415.12 = 4,190/x
  3. Step 3: Cross multiply
    7,547.04x = 10,415.12 × 4,190
  4. Step 4: Simplify right side
    7,547.04x = 43,639,352.80
  5. Step 5: Solve for x
    x = 43,639,352.80/7,547.04
  6. Step 6: Final answer
    x = 5,782.31

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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.