Home / 7,746.50-10,688.46-4,389.02

Finding the Fourth Proportional to 7,746.50, 10,688.46 and 4,389.02

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Solution

The fourth proportional to 7,746.50, 10,688.46 and 4,389.02 is: 6,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.50 : 10,688.46 = 4,389.02 : x
  2. Step 2: Convert to fraction form
    7,746.50/10,688.46 = 4,389.02/x
  3. Step 3: Cross multiply
    7,746.50x = 10,688.46 × 4,389.02
  4. Step 4: Simplify right side
    7,746.50x = 46,911,864.71
  5. Step 5: Solve for x
    x = 46,911,864.71/7,746.50
  6. Step 6: Final answer
    x = 6,055.88

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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.