Home / 8,337.77-11,510.31-6,445.08

Finding the Fourth Proportional to 8,337.77, 11,510.31 and 6,445.08

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Solution

The fourth proportional to 8,337.77, 11,510.31 and 6,445.08 is: 8,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.77 : 11,510.31 = 6,445.08 : x
  2. Step 2: Convert to fraction form
    8,337.77/11,510.31 = 6,445.08/x
  3. Step 3: Cross multiply
    8,337.77x = 11,510.31 × 6,445.08
  4. Step 4: Simplify right side
    8,337.77x = 74,184,868.77
  5. Step 5: Solve for x
    x = 74,184,868.77/8,337.77
  6. Step 6: Final answer
    x = 8,897.45

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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.