Home / 7,746.88-10,688.32-4,389.16

Finding the Fourth Proportional to 7,746.88, 10,688.32 and 4,389.16

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Solution

The fourth proportional to 7,746.88, 10,688.32 and 4,389.16 is: 6,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.88 : 10,688.32 = 4,389.16 : x
  2. Step 2: Convert to fraction form
    7,746.88/10,688.32 = 4,389.16/x
  3. Step 3: Cross multiply
    7,746.88x = 10,688.32 × 4,389.16
  4. Step 4: Simplify right side
    7,746.88x = 46,912,746.61
  5. Step 5: Solve for x
    x = 46,912,746.61/7,746.88
  6. Step 6: Final answer
    x = 6,055.70

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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.