Home / 4,117.95-5,688.63-3,320.10

Finding the Fourth Proportional to 4,117.95, 5,688.63 and 3,320.10

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Solution

The fourth proportional to 4,117.95, 5,688.63 and 3,320.10 is: 4,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.95 : 5,688.63 = 3,320.10 : x
  2. Step 2: Convert to fraction form
    4,117.95/5,688.63 = 3,320.10/x
  3. Step 3: Cross multiply
    4,117.95x = 5,688.63 × 3,320.10
  4. Step 4: Simplify right side
    4,117.95x = 18,886,820.46
  5. Step 5: Solve for x
    x = 18,886,820.46/4,117.95
  6. Step 6: Final answer
    x = 4,586.46

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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.