Home / 5,417.48-8,126.75-1,953.92

Finding the Fourth Proportional to 5,417.48, 8,126.75 and 1,953.92

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Solution

The fourth proportional to 5,417.48, 8,126.75 and 1,953.92 is: 2,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.48 : 8,126.75 = 1,953.92 : x
  2. Step 2: Convert to fraction form
    5,417.48/8,126.75 = 1,953.92/x
  3. Step 3: Cross multiply
    5,417.48x = 8,126.75 × 1,953.92
  4. Step 4: Simplify right side
    5,417.48x = 15,878,983.61
  5. Step 5: Solve for x
    x = 15,878,983.61/5,417.48
  6. Step 6: Final answer
    x = 2,931.07

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1.5x scale

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.