Home / 4,478.51-6,717.80-1,358.76

Finding the Fourth Proportional to 4,478.51, 6,717.80 and 1,358.76

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Solution

The fourth proportional to 4,478.51, 6,717.80 and 1,358.76 is: 2,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.51 : 6,717.80 = 1,358.76 : x
  2. Step 2: Convert to fraction form
    4,478.51/6,717.80 = 1,358.76/x
  3. Step 3: Cross multiply
    4,478.51x = 6,717.80 × 1,358.76
  4. Step 4: Simplify right side
    4,478.51x = 9,127,877.93
  5. Step 5: Solve for x
    x = 9,127,877.93/4,478.51
  6. Step 6: Final answer
    x = 2,038.15

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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.