Home / 7,031.48-9,703.04-3,887.46

Finding the Fourth Proportional to 7,031.48, 9,703.04 and 3,887.46

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Solution

The fourth proportional to 7,031.48, 9,703.04 and 3,887.46 is: 5,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.48 : 9,703.04 = 3,887.46 : x
  2. Step 2: Convert to fraction form
    7,031.48/9,703.04 = 3,887.46/x
  3. Step 3: Cross multiply
    7,031.48x = 9,703.04 × 3,887.46
  4. Step 4: Simplify right side
    7,031.48x = 37,720,160.44
  5. Step 5: Solve for x
    x = 37,720,160.44/7,031.48
  6. Step 6: Final answer
    x = 5,364.47

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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.