Home / 8,688.03-13,038.35-5,908.11

Finding the Fourth Proportional to 8,688.03, 13,038.35 and 5,908.11

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Solution

The fourth proportional to 8,688.03, 13,038.35 and 5,908.11 is: 8,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.03 : 13,038.35 = 5,908.11 : x
  2. Step 2: Convert to fraction form
    8,688.03/13,038.35 = 5,908.11/x
  3. Step 3: Cross multiply
    8,688.03x = 13,038.35 × 5,908.11
  4. Step 4: Simplify right side
    8,688.03x = 77,031,976.48
  5. Step 5: Solve for x
    x = 77,031,976.48/8,688.03
  6. Step 6: Final answer
    x = 8,866.45

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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.